Augustus henry tait



Y' Entitledv Statist ttirnt @titille Letters Patent No. 96,997, dated November 16, 1869.

IMPROVEMENT 'IN STILLS FOR DISTILLING- NAPHTHA AND PETROLEUM The Schedule referred to in these Letters Patent and making part of the same To all whom it may concern Be it known that I, AUGUSTUS HENRY TAIT, of Jersey City, in the county of Hudson, and State oi' New Jersey, have invented a new and useful Improvement iu Stills for D istillation ot Naphtha and Petrofleum; and I do hereby declare the following to be a full, clear, and .exact description thereof, which will enable those skilled in the art to make and use the same, reference being had to the accompanying drawing, forming part of this specification, in which draw- 1ng-.

Figure 1 is.an elevation of a vertical longitudina section of my invention.

Figure 2 is a plan.

Similar letters indicate corresponding parts.

This invention relates to the distillation of naphtha from petroleum, and to the distillation ofpetroleumoils; and

It consists in a supplementary or ascending worm,

and a condenser, placed over the still proper, upto or into' which ascends all the vapors that are generated,

and, wherethey become separated into light and heavy vapors, the heavy vapors falling back into the still, leaving the lighter vapors in the worm or supplementary condenser, whence they pass into a sedond condensing-apparatus, where they are finally condensed, the naphtha or light oils formed from them heilig gathered -into a suitable receiver.

'Ihe ascending worm and condenser are so arranged and colnbined with the still propenand its ordinary1 condensing-apparatus as to be capable of being disconnected therefrom, so that after the lighter vapors have been separated, the heavier vapors can next be condensed in the ordinary condensiiig-apparatus, by which arrangement I ain able, by a continued and uninterrupted process, to separate the constituents of `the lighter and medium oils from those of' the heavier,

and to condense andcollect the naphtha and illuminating-oils separately fromeach other.

The letter'A designates the still proper, which receives the charge oi' crude petroleum. `It is heated by means of steam, which is admitted into it 'through a steam-pipe, B, andalso, wheneverpreferred, by means -of a. furnace beneath it.

The vapois from the charge pass oli" through the pipe G, answering the usual purpose of a gooseneck, and are conducted through the pipe C into thel worm E, which is arranged in the condensing-tank I). This to pass over and upward through the worm E, andout of its top into the pipe F, and to prevent the constituents oi the heavier oils from entering or remaining in the worm E. The constituents ofthe naphtha' and lighter oils consequently become separated from those oi the heavier oils, in and by the operation of the worm E, and the former vpass out, thence upward into the discharge-pipe F, which conducts them into the main pipe G, through which they pass into the main condensing-worin H, whose tank I is to be filled with a cold condensing-medium, as usual.

The condensed liquids pass from the worm H into the discharge-pipe J, which conducts them into a suitable receiver i'or naphtha or lighter oils.

During this operation of distilling and separating naphtha and the lighter oils from the charge, the stopcock 3 inthe-pipe G is closed, and-the stop-cock 1, in the pipe C', and the stop-cock 2, in the pipe F, are opened.

After all the naphtha and lighter oils have been removed from the charge in the still, I close the stopcocks 1 2 and open the stop-cock 3, and proceed to Adistil the remaining portions of the charge, the com.

stituents of the heavier oils passing over in the usual manner, through the pipe or gooseneck C, intothe worm and condenser H I, where they are condensed in the ordinary manner, the liquids ruiming ofi` through the' same discharge-pipe J, into a different receiver from those which receivethe lighter oils, the pipe J being either so made as te be capable of tnrningin differentdirections, or being made with suitable branches, having stop-cocks to govern the direction ofthe How.

My invention enables me to separate the lighter constituents of the charge from the heavier with facility, without interrupting the process of evaporation, by means of the separating-worm E, and its tank D, and pipes C' and F, arranged-and combined to operate in conjunction with the still and main condenser, as above described and explained.

XVhat I claim as new, and desire to secure by Letters Patent, is-

The pipe G, with its stop-cock 3,' in combination with the pipe C', ascending worm E, pipe F, and'condenser H I, all constructedV and operating substantially as herein shown and described.

This speciiication-of my invention signed by me, this 23d day of J uly, 1869.

A. H. TAIT.

Witnesses: l

E. F. KASTENHUBER, '0. WAHLERS. 

